San German Ground Water Contamination

⚠ Superfund · Remedy selected

In January 2024, EPA issued a Notice to Proceed to the Potentially Responsible Parties (PRP's) to complete the Remedial Design (RD) activities that were initiated by EPA and Remedial Action (RA) activities at OU-1.

Location

CitySan German
CountySan German County
StatePuerto Rico
Coordinates18.08447, -67.03531

Contaminants of concern

Contaminated media

Cleanup timeline

  1. Initial Assessment Completed — 10/15/2006
  2. Proposed to the National Priorities List — 09/19/2007
  3. Finalized on the National Priorities List — 03/19/2008
  4. Remedial Investigation Started — 08/27/2008
  5. Remedy Selected — 12/11/2015
  6. Final Remedy Selected — 09/30/2019
  7. Remedial Action Started — Estimated Sep - Nov 2027
  8. Construction Completed — Estimated Sep - Nov 2028
  9. Deleted from National Priorities List — Not Yet Achieved
  10. Most Recent Five-Year Review — Not Yet Achieved

EPA references

EPA-regulated facilities nearby

Understanding this Superfund site

San German Ground Water Contamination is a federal Superfund site in Puerto Rico. The Superfund program, created by Congress in 1980, addresses sites where hazardous substances have been released or threaten release into the environment. EPA scores potential sites using the Hazard Ranking System; those that score high enough are placed on the National Priorities List.

Current status: Remedy selected. EPA has selected a cleanup remedy but construction has not yet begun. The remedy selection process involves a feasibility study, public comment period, and a Record of Decision documenting the chosen approach.

EPA has identified 5 contaminants of concern at this site, including 1,1-dichloroethene, chloroethene (vinyl chloride), cis-1,2-dichloroethene. Contamination has been detected in soil, groundwater.

If you live near this site and have health concerns, your state health department can provide site-specific guidance. EPA maintains a community involvement program for most NPL sites, and site documents — including the Record of Decision, five-year reviews, and public health assessments — are typically available through EPA's Superfund site profile.